automatic rent increase clause

(2) “automatic rent increase clause” means a provision in a lease permitting periodic increases in the fee under the lease which is effective automatically or at the sole option of the lessor, and which provides that the fee shall increase at the rate of an economic, commodity, or consumer price index or at a percentage rate such that the actual increases in the rental payment over the lease term cannot be established with specificity at the time the lease is entered into;


15 USC § 3603(2)

Scoping language

For the purpose of this chapter
Is this correct? or